FAN1084M33X

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The FAN1084M33X is a low dropout three-terminal linear regulator manufactured by Fairchild Semiconductor. It provides a fixed 3.3V output with a maximum current capability of 4.5A. The device is designed for low voltage applications where transient response and minimum input voltage are critical, such as VTT bus termination. It features on-chip thermal limiting to protect against excessive junction temperatures caused by overload or high ambient conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Fast transient response for stable power delivery
• Low dropout voltage performance at high currents
• On-chip thermal limiting protection
• Standard TO-263 center cut package

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Desktop PCs and embedded processors supply
• GTL and SSTL logic reference bus supply
• Low voltage VCC logic supply
• Post regulator for switching supplies
• Cable and ADSL modems DSP core supply

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the manufacturer source, as Fairchild Semiconductor has undergone corporate restructuring and its assets were acquired by onsemi. Ensure the component documentation aligns with the current official datasheet provided by the successor entity to confirm technical specifications and authenticity.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component for applications requiring a fixed 3.3V output up to 4.5A with low dropout characteristics. It is suitable for microprocessor power supplies and logic bus termination where fast transient response is required. Ensure the input voltage remains within the specified range for the TO-263 package to manage thermal dissipation effectively.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

The FAN1084 series includes adjustable and fixed voltage variants, such as the FAN1084-1.5 and FAN1084-3.3. These regulators are optimized for low voltage microprocessor applications requiring regulated outputs from 1.5V to 3.6V with an input supply of 5V or less. The series is available in industry-standard power packages including TO-220, TO-263, and TO-252.